<%--
  Created by IntelliJ IDEA.
  User: Teacher
  Date: 2025/9/8
  Time: 15:04
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--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>四大作用域2</title>
</head>
<body>
pageContext:<%=pageContext.getAttribute("msg")%><br>
request:<%=request.getAttribute("msg")%><br>
session:<%=session.getAttribute("msg")%><br>
application:<%=application.getAttribute("msg")%><br>
</body>
</html>
